What is the cost of React.memo ? ... A memoized component compares old with news props to decide, if to re-render - each render cycle. A plain ... ... <看更多>

React.memo. ✨ React v16.6+ 新增memo 新特性官方文档. 类组件可以通过继承类 PureComponent 或者实现 shouldComponentUpdate 来主动判断组件是否 ... ... <看更多>

First of all, what is memoization? To first understand the power that comes with React.memo, we have to be familiar with the term 'memoization'. This term was ... ... <看更多>